\fBiterations\fR
defines the number of additional times to apply the algorithm when generating an NSEC3 hash. The
\fBsalt\fR
-is a string of data expressed in hexadecimal, or a hyphen (`\-') if no salt is to be used.
+is a string of data expressed in hexadecimal, a hyphen (`\-') if no salt is to be used, or the keyword
+auto, which causes
+\fBnamed\fR
+to generate a random 64\-bit salt.
.sp
So, for example, to create an NSEC3 chain using the SHA\-1 hash algorithm, no opt\-out flag, 10 iterations, and a salt value of "FFFF", use:
\fBrndc signing \-nsec3param 1 0 10 FFFF \fR\fB\fIzone\fR\fR. To set the opt\-out flag, 15 iterations, and no salt, use:
defines the number of additional times to apply
the algorithm when generating an NSEC3 hash. The
<code class="option">salt</code> is a string of data expressed
- in hexadecimal, or a hyphen (`-') if no salt is
- to be used.
+ in hexadecimal, a hyphen (`-') if no salt is
+ to be used, or the keyword <code class="literal">auto</code>,
+ which causes <span><strong class="command">named</strong></span> to generate a
+ random 64-bit salt.
</p>
<p>
So, for example, to create an NSEC3 chain using
</dl></div>
</div>
<div class="refsect1" lang="en">
-<a name="id2542125"></a><h2>LIMITATIONS</h2>
+<a name="id2542133"></a><h2>LIMITATIONS</h2>
<p>
There is currently no way to provide the shared secret for a
<code class="option">key_id</code> without using the configuration file.
</p>
</div>
<div class="refsect1" lang="en">
-<a name="id2542144"></a><h2>SEE ALSO</h2>
+<a name="id2542151"></a><h2>SEE ALSO</h2>
<p><span class="citerefentry"><span class="refentrytitle">rndc.conf</span>(5)</span>,
<span class="citerefentry"><span class="refentrytitle">rndc-confgen</span>(8)</span>,
<span class="citerefentry"><span class="refentrytitle">named</span>(8)</span>,
</p>
</div>
<div class="refsect1" lang="en">
-<a name="id2545408"></a><h2>AUTHOR</h2>
+<a name="id2545415"></a><h2>AUTHOR</h2>
<p><span class="corpauthor">Internet Systems Consortium</span>
</p>
</div>
<div class="cmdsynopsis"><p><code class="command">arpaname</code> {<em class="replaceable"><code>ipaddress </code></em>...}</p></div>
</div>
<div class="refsect1" lang="en">
-<a name="id2621506"></a><h2>DESCRIPTION</h2>
+<a name="id2621449"></a><h2>DESCRIPTION</h2>
<p>
<span><strong class="command">arpaname</strong></span> translates IP addresses (IPv4 and
IPv6) to the corresponding IN-ADDR.ARPA or IP6.ARPA names.
</p>
</div>
<div class="refsect1" lang="en">
-<a name="id2663505"></a><h2>SEE ALSO</h2>
+<a name="id2621464"></a><h2>SEE ALSO</h2>
<p>
<em class="citetitle">BIND 9 Administrator Reference Manual</em>.
</p>
</div>
<div class="refsect1" lang="en">
-<a name="id2663518"></a><h2>AUTHOR</h2>
+<a name="id2621478"></a><h2>AUTHOR</h2>
<p><span class="corpauthor">Internet Systems Consortium</span>
</p>
</div>
<div class="cmdsynopsis"><p><code class="command">ddns-confgen</code> [<code class="option">-a <em class="replaceable"><code>algorithm</code></em></code>] [<code class="option">-h</code>] [<code class="option">-k <em class="replaceable"><code>keyname</code></em></code>] [<code class="option">-r <em class="replaceable"><code>randomfile</code></em></code>] [ -s <em class="replaceable"><code>name</code></em> | -z <em class="replaceable"><code>zone</code></em> ] [<code class="option">-q</code>] [name]</p></div>
</div>
<div class="refsect1" lang="en">
-<a name="id2662965"></a><h2>DESCRIPTION</h2>
+<a name="id2663250"></a><h2>DESCRIPTION</h2>
<p><span><strong class="command">ddns-confgen</strong></span>
generates a key for use by <span><strong class="command">nsupdate</strong></span>
and <span><strong class="command">named</strong></span>. It simplifies configuration
</p>
</div>
<div class="refsect1" lang="en">
-<a name="id2663121"></a><h2>OPTIONS</h2>
+<a name="id2663405"></a><h2>OPTIONS</h2>
<div class="variablelist"><dl>
<dt><span class="term">-a <em class="replaceable"><code>algorithm</code></em></span></dt>
<dd><p>
</dl></div>
</div>
<div class="refsect1" lang="en">
-<a name="id2663389"></a><h2>SEE ALSO</h2>
+<a name="id2663606"></a><h2>SEE ALSO</h2>
<p><span class="citerefentry"><span class="refentrytitle">nsupdate</span>(1)</span>,
<span class="citerefentry"><span class="refentrytitle">named.conf</span>(5)</span>,
<span class="citerefentry"><span class="refentrytitle">named</span>(8)</span>,
</p>
</div>
<div class="refsect1" lang="en">
-<a name="id2663428"></a><h2>AUTHOR</h2>
+<a name="id2663644"></a><h2>AUTHOR</h2>
<p><span class="corpauthor">Internet Systems Consortium</span>
</p>
</div>
<div class="cmdsynopsis"><p><code class="command">genrandom</code> [<code class="option">-n <em class="replaceable"><code>number</code></em></code>] {<em class="replaceable"><code>size</code></em>} {<em class="replaceable"><code>filename</code></em>}</p></div>
</div>
<div class="refsect1" lang="en">
-<a name="id2621836"></a><h2>DESCRIPTION</h2>
+<a name="id2621848"></a><h2>DESCRIPTION</h2>
<p>
<span><strong class="command">genrandom</strong></span>
generates a file or a set of files containing a specified quantity
</p>
</div>
<div class="refsect1" lang="en">
-<a name="id2663562"></a><h2>ARGUMENTS</h2>
+<a name="id2663710"></a><h2>ARGUMENTS</h2>
<div class="variablelist"><dl>
<dt><span class="term">-n <em class="replaceable"><code>number</code></em></span></dt>
<dd><p>
</dl></div>
</div>
<div class="refsect1" lang="en">
-<a name="id2663623"></a><h2>SEE ALSO</h2>
+<a name="id2663771"></a><h2>SEE ALSO</h2>
<p>
<span class="citerefentry"><span class="refentrytitle">rand</span>(3)</span>,
<span class="citerefentry"><span class="refentrytitle">arc4random</span>(3)</span>
</p>
</div>
<div class="refsect1" lang="en">
-<a name="id2663650"></a><h2>AUTHOR</h2>
+<a name="id2663798"></a><h2>AUTHOR</h2>
<p><span class="corpauthor">Internet Systems Consortium</span>
</p>
</div>
<div class="cmdsynopsis"><p><code class="command">isc-hmac-fixup</code> {<em class="replaceable"><code>algorithm</code></em>} {<em class="replaceable"><code>secret</code></em>}</p></div>
</div>
<div class="refsect1" lang="en">
-<a name="id2665208"></a><h2>DESCRIPTION</h2>
+<a name="id2621870"></a><h2>DESCRIPTION</h2>
<p>
Versions of BIND 9 up to and including BIND 9.6 had a bug causing
HMAC-SHA* TSIG keys which were longer than the digest length of the
</p>
</div>
<div class="refsect1" lang="en">
-<a name="id2665236"></a><h2>SECURITY CONSIDERATIONS</h2>
+<a name="id2621898"></a><h2>SECURITY CONSIDERATIONS</h2>
<p>
Secrets that have been converted by <span><strong class="command">isc-hmac-fixup</strong></span>
are shortened, but as this is how the HMAC protocol works in
</p>
</div>
<div class="refsect1" lang="en">
-<a name="id2665252"></a><h2>SEE ALSO</h2>
+<a name="id2621914"></a><h2>SEE ALSO</h2>
<p>
<em class="citetitle">BIND 9 Administrator Reference Manual</em>,
<em class="citetitle">RFC 2104</em>.
</p>
</div>
<div class="refsect1" lang="en">
-<a name="id2665269"></a><h2>AUTHOR</h2>
+<a name="id2665281"></a><h2>AUTHOR</h2>
<p><span class="corpauthor">Internet Systems Consortium</span>
</p>
</div>
<div class="cmdsynopsis"><p><code class="command">nsec3hash</code> {<em class="replaceable"><code>salt</code></em>} {<em class="replaceable"><code>algorithm</code></em>} {<em class="replaceable"><code>iterations</code></em>} {<em class="replaceable"><code>domain</code></em>}</p></div>
</div>
<div class="refsect1" lang="en">
-<a name="id2622442"></a><h2>DESCRIPTION</h2>
+<a name="id2622044"></a><h2>DESCRIPTION</h2>
<p>
<span><strong class="command">nsec3hash</strong></span> generates an NSEC3 hash based on
a set of NSEC3 parameters. This can be used to check the validity
</p>
</div>
<div class="refsect1" lang="en">
-<a name="id2622457"></a><h2>ARGUMENTS</h2>
+<a name="id2665340"></a><h2>ARGUMENTS</h2>
<div class="variablelist"><dl>
<dt><span class="term">salt</span></dt>
<dd><p>
</dl></div>
</div>
<div class="refsect1" lang="en">
-<a name="id2665390"></a><h2>SEE ALSO</h2>
+<a name="id2665402"></a><h2>SEE ALSO</h2>
<p>
<em class="citetitle">BIND 9 Administrator Reference Manual</em>,
<em class="citetitle">RFC 5155</em>.
</p>
</div>
<div class="refsect1" lang="en">
-<a name="id2665408"></a><h2>AUTHOR</h2>
+<a name="id2665419"></a><h2>AUTHOR</h2>
<p><span class="corpauthor">Internet Systems Consortium</span>
</p>
</div>
<div class="cmdsynopsis"><p><code class="command">rndc-confgen</code> [<code class="option">-a</code>] [<code class="option">-A <em class="replaceable"><code>algorithm</code></em></code>] [<code class="option">-b <em class="replaceable"><code>keysize</code></em></code>] [<code class="option">-c <em class="replaceable"><code>keyfile</code></em></code>] [<code class="option">-h</code>] [<code class="option">-k <em class="replaceable"><code>keyname</code></em></code>] [<code class="option">-p <em class="replaceable"><code>port</code></em></code>] [<code class="option">-r <em class="replaceable"><code>randomfile</code></em></code>] [<code class="option">-s <em class="replaceable"><code>address</code></em></code>] [<code class="option">-t <em class="replaceable"><code>chrootdir</code></em></code>] [<code class="option">-u <em class="replaceable"><code>user</code></em></code>]</p></div>
</div>
<div class="refsect1" lang="en">
-<a name="id2659175"></a><h2>DESCRIPTION</h2>
+<a name="id2659187"></a><h2>DESCRIPTION</h2>
<p><span><strong class="command">rndc-confgen</strong></span>
generates configuration files
for <span><strong class="command">rndc</strong></span>. It can be used as a
</p>
</div>
<div class="refsect1" lang="en">
-<a name="id2659378"></a><h2>OPTIONS</h2>
+<a name="id2659389"></a><h2>OPTIONS</h2>
<div class="variablelist"><dl>
<dt><span class="term">-a</span></dt>
<dd>
</dl></div>
</div>
<div class="refsect1" lang="en">
-<a name="id2663877"></a><h2>EXAMPLES</h2>
+<a name="id2664708"></a><h2>EXAMPLES</h2>
<p>
To allow <span><strong class="command">rndc</strong></span> to be used with
no manual configuration, run
</p>
</div>
<div class="refsect1" lang="en">
-<a name="id2664548"></a><h2>SEE ALSO</h2>
+<a name="id2664764"></a><h2>SEE ALSO</h2>
<p><span class="citerefentry"><span class="refentrytitle">rndc</span>(8)</span>,
<span class="citerefentry"><span class="refentrytitle">rndc.conf</span>(5)</span>,
<span class="citerefentry"><span class="refentrytitle">named</span>(8)</span>,
</p>
</div>
<div class="refsect1" lang="en">
-<a name="id2664586"></a><h2>AUTHOR</h2>
+<a name="id2665212"></a><h2>AUTHOR</h2>
<p><span class="corpauthor">Internet Systems Consortium</span>
</p>
</div>
<div class="cmdsynopsis"><p><code class="command">rndc.conf</code> </p></div>
</div>
<div class="refsect1" lang="en">
-<a name="id2619522"></a><h2>DESCRIPTION</h2>
+<a name="id2654759"></a><h2>DESCRIPTION</h2>
<p><code class="filename">rndc.conf</code> is the configuration file
for <span><strong class="command">rndc</strong></span>, the BIND 9 name server control
utility. This file has a similar structure and syntax to
</p>
</div>
<div class="refsect1" lang="en">
-<a name="id2654919"></a><h2>EXAMPLE</h2>
+<a name="id2654931"></a><h2>EXAMPLE</h2>
<pre class="programlisting">
options {
default-server localhost;
</p>
</div>
<div class="refsect1" lang="en">
-<a name="id2658386"></a><h2>NAME SERVER CONFIGURATION</h2>
+<a name="id2658397"></a><h2>NAME SERVER CONFIGURATION</h2>
<p>
The name server must be configured to accept rndc connections and
to recognize the key specified in the <code class="filename">rndc.conf</code>
</p>
</div>
<div class="refsect1" lang="en">
-<a name="id2658411"></a><h2>SEE ALSO</h2>
+<a name="id2658423"></a><h2>SEE ALSO</h2>
<p><span class="citerefentry"><span class="refentrytitle">rndc</span>(8)</span>,
<span class="citerefentry"><span class="refentrytitle">rndc-confgen</span>(8)</span>,
<span class="citerefentry"><span class="refentrytitle">mmencode</span>(1)</span>,
</p>
</div>
<div class="refsect1" lang="en">
-<a name="id2658450"></a><h2>AUTHOR</h2>
+<a name="id2658461"></a><h2>AUTHOR</h2>
<p><span class="corpauthor">Internet Systems Consortium</span>
</p>
</div>
<div class="cmdsynopsis"><p><code class="command">rndc</code> [<code class="option">-b <em class="replaceable"><code>source-address</code></em></code>] [<code class="option">-c <em class="replaceable"><code>config-file</code></em></code>] [<code class="option">-k <em class="replaceable"><code>key-file</code></em></code>] [<code class="option">-s <em class="replaceable"><code>server</code></em></code>] [<code class="option">-p <em class="replaceable"><code>port</code></em></code>] [<code class="option">-q</code>] [<code class="option">-V</code>] [<code class="option">-y <em class="replaceable"><code>key_id</code></em></code>] {command}</p></div>
</div>
<div class="refsect1" lang="en">
-<a name="id2654379"></a><h2>DESCRIPTION</h2>
+<a name="id2654391"></a><h2>DESCRIPTION</h2>
<p><span><strong class="command">rndc</strong></span>
controls the operation of a name
server. It supersedes the <span><strong class="command">ndc</strong></span> utility
</p>
</div>
<div class="refsect1" lang="en">
-<a name="id2654429"></a><h2>OPTIONS</h2>
+<a name="id2654441"></a><h2>OPTIONS</h2>
<div class="variablelist"><dl>
<dt><span class="term">-b <em class="replaceable"><code>source-address</code></em></span></dt>
<dd><p>
</dl></div>
</div>
<div class="refsect1" lang="en">
-<a name="id2654720"></a><h2>COMMANDS</h2>
+<a name="id2654731"></a><h2>COMMANDS</h2>
<p>
A list of commands supported by <span><strong class="command">rndc</strong></span> can
be seen by running <span><strong class="command">rndc</strong></span> without arguments.
defines the number of additional times to apply
the algorithm when generating an NSEC3 hash. The
<code class="option">salt</code> is a string of data expressed
- in hexadecimal, or a hyphen (`-') if no salt is
- to be used.
+ in hexadecimal, a hyphen (`-') if no salt is
+ to be used, or the keyword <code class="literal">auto</code>,
+ which causes <span><strong class="command">named</strong></span> to generate a
+ random 64-bit salt.
</p>
<p>
So, for example, to create an NSEC3 chain using
</dl></div>
</div>
<div class="refsect1" lang="en">
-<a name="id2686618"></a><h2>LIMITATIONS</h2>
+<a name="id2686642"></a><h2>LIMITATIONS</h2>
<p>
There is currently no way to provide the shared secret for a
<code class="option">key_id</code> without using the configuration file.
</p>
</div>
<div class="refsect1" lang="en">
-<a name="id2686636"></a><h2>SEE ALSO</h2>
+<a name="id2686660"></a><h2>SEE ALSO</h2>
<p><span class="citerefentry"><span class="refentrytitle">rndc.conf</span>(5)</span>,
<span class="citerefentry"><span class="refentrytitle">rndc-confgen</span>(8)</span>,
<span class="citerefentry"><span class="refentrytitle">named</span>(8)</span>,
</p>
</div>
<div class="refsect1" lang="en">
-<a name="id2686692"></a><h2>AUTHOR</h2>
+<a name="id2686715"></a><h2>AUTHOR</h2>
<p><span class="corpauthor">Internet Systems Consortium</span>
</p>
</div>